Ambiguous to a fault, but nonetheless constantly absorbing. Enemy is a creepy and challenging exploration of the subconscious. Jake Gyllenhaal gives a brilliant performance in dual roles that couldn't be more different from one another. While Denis Villeneuve proves once again that is one of the best film makers working today. It will leave you thinking about it for days, just don't expect it to answer any of the questions it raises, of which there are many. (Rated R contains strong sexual content, nudity, disturbing images, and language.)